1.04. Functions and Recursion

  1. What is recursion. [AMD Jan-2026] [Analogics Tech India Limited-14-08-24]
  2. Write a program to find factorial using recursion.[Mirafra Jan-2026]
  3.  what is Inline function[AMD Dec-2025][TeraScale]
  4. What are the precautions you need to take care when you are using recursive functions.[Vem Feb-2026]
  5. what is function description?[AMD 11-Feb-2026]
  6. who tells function description values?[AMD 11-Feb-2026]
  7. find a given number is power of two or not by using macro?[AMD 11-Feb-2026][Analogics Tech India Limited-14-08-24]
  8.  what are the difference between macros and functions. [5G Testbed]
  9. what if we give same function names? [5G Testbed]
  10. Write a program to string reverse using recursion function(only write function) [AMI-06-05-2024 ]
  11. Write a program to reverse a string using recursion? [AMI-06-05-2024 ] [AMI-06-05-2023] [INFOBELL]
  12. write a program to reverse a string using recursion? [AMI-06-05-2024 ]
  13. Write a program for Fibonacci series using recursion? [AMI-06-05-2024 ]
  14. can we write any logic without using recursion? [AMI-06-05-2023]
  15. How to find a function is invoked how many times WAP for it? [AMI-06-05-2023]
  16. What is function? Types of functions based on return type with an example using call by value. [AMI-06-05-2023]
  17. write a program string reverse using recursion [Ample Semi conductors][Analogics Tech India Limited-14-08-24]
  18. Write a function that should return two return values from that function.[Avantel Limited]
  19. Explain about recursion with example? [DTDS]
  20. Explain the logic for Calculator program[Enfabrica Corporation]
  21. write a program  to Print integer to Binary without using any library functions [Enfabrica Corporation]
  22. write a program reverse  a string by using recursion? [Ample Semi conductors]
  23. what is a function & different types of functions? [Hyundai Mobi’s] [INFOBELL]
  24. can you explain what are functions how to used in your project? [INFOBELL]
  25. What are Actual Parameters and Formal Parameters?[Webber Feb_25]
  26. What is function declaration? And why it is imp?[Webber Feb_25]
  27. Explain about reentrant?[Webber Feb_25]
  28. Write a recursive function for itoa. [VOLTY IOT Solutions 25-06-2025]
  29. Which library do you use for the power function?[VEM Technologies 2025]
  30. Write a program for prime number and palindrome [Tenacity Electronix (06-11-2025)]
  31. What do you know about recursion? [TeraScale]
  32. Write any program using recursion. [TeraScale]
  33. Is it possible to reverse a number using recursion? If yes, write the code. [TeraScale]
  34. Who calls the main() function? [TeraScale]
  35. How does the compiler know to start from main()? [TeraScale]
  36. How does the compiler know to execute startup code? [TeraScale]
  37. What is a function pointer? Write syntax and give an example. [TeraScale]
  38. Declare a function pointer and call a function through it. [TeraScale]
  39. Write a program using function pointers (WCP using function pointer). [TeraScale]
  40. int (*fp)(void) = fun; — is there any difference between fp(), (*fp)(), and *fp()? [TeraScale]
  41. How will you call a function without declaring it — is it possible from one file to another? [TeraScale]
  42. I want to run my own function first instead of the main function — what will you do? [TeraScale]
  43. How will you compile without the main function without getting any error? [TeraScale]
  44. What is the return value of printf()? [TeraScale]
  45. Write your own printf() function that overrides the predefined one. [TeraScale]
  46. What is the difference between parameterized macros and functions? [TeraScale]
  47. What is a function description? Who decides the function description values? [TeraScale]
  48. How does a stack behave when a function call happens? [TeraScale]
  49. Explain push and pop. [TeraScale]
  50. Write a logic for when the stack is full. [TeraScale]
  51. What is stack overflow? How does it occur? [TeraScale]